15860240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 40979520

約数和(自身を除く): 25119280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 269, 335, 440, 536, 538, 670, 737, 880, 1072, 1076, 1340, 1345, 1474, 2152, 2680, 2690, 2948, 2959, 3685, 4304, 5360, 5380, 5896, 5918, 7370, 10760, 11792, 11836, 14740, 14795, 18023, 21520, 23672, 29480, 29590, 36046, 47344, 58960, 59180, 72092, 90115, 118360, 144184, 180230, 198253, 236720, 288368, 360460, 396506, 720920, 793012, 991265, 1441840, 1586024, 1982530, 3172048, 3965060, 7930120, 15860240]

約数ペア:

[(1, 15860240), (2, 7930120), (4, 3965060), (5, 3172048), (8, 1982530), (10, 1586024), (11, 1441840), (16, 991265), (20, 793012), (22, 720920), (40, 396506), (44, 360460), (55, 288368), (67, 236720), (80, 198253), (88, 180230), (110, 144184), (134, 118360), (176, 90115), (220, 72092), (268, 59180), (269, 58960), (335, 47344), (440, 36046), (536, 29590), (538, 29480), (670, 23672), (737, 21520), (880, 18023), (1072, 14795), (1076, 14740), (1340, 11836), (1345, 11792), (1474, 10760), (2152, 7370), (2680, 5918), (2690, 5896), (2948, 5380), (2959, 5360), (3685, 4304)]